1652605660 has 48 divisors (see below), whose sum is σ = 3738212352. Its totient is φ = 611899200.

The previous prime is 1652605651. The next prime is 1652605673. The reversal of 1652605660 is 665062561.

It is a super-2 number, since 2×1652605660² = 5462210934928071200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43686 + ... + 72205.

It is an arithmetic number, because the mean of its divisors is an integer number (77879424).

Almost surely, 2^1652605660 is an apocalyptic number.

1652605660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1652605660 is an abundant number, since it is smaller than the sum of its proper divisors (2085606692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1652605660 is a wasteful number, since it uses less digits than its factorization.

1652605660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115954 (or 115952 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 1652605660 is about 40652.2528281029. The cubic root of 1652605660 is about 1182.2874474001.

The spelling of 1652605660 in words is "one billion, six hundred fifty-two million, six hundred five thousand, six hundred sixty".